Inline Fiberglass Ltd.

Headquarters: Toronto, Ontario, Canada


Employees: 150


Product Lines: Fiberglass windows and doors, fiberglass window reinforcements for aluminum and vinyl windows, and architectural custom profiles.

General Information: Operating from two locations with a total of 175,000 square feet of manufacturing space, Inline reports it is the largest all-fiberglass window and door manufacturer. Inline began operations in 1978, focusing on aluminum before switching fully to fiberglass in 1992. The company supplies the residential and commercial markets with products for new construction and retrofit applications. In addition, it supplies pultruded lineals to several manufacturers in the North American and worldwide market. Inline also sells other reinforcements and thermal breaks to non-fiberglass window manufacturers. In each of the past five years, the company has experienced tremendous growth, officials report. In 2013, Inline plans to expand into new markets with several new products.

Ontario-based Inline has been manufacturing fiberglass windows since 1992.










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